21437272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157627}}^1$

素因数の和:157650

約数の個数: 16

約数和(自身を含む): 42559560

約数和(自身を除く): 21122288

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157627, 315254, 630508, 1261016, 2679659, 5359318, 10718636, 21437272]

約数ペア:

[(1, 21437272), (2, 10718636), (4, 5359318), (8, 2679659), (17, 1261016), (34, 630508), (68, 315254), (136, 157627)]